1953 Alfa Romeo AR 51 vs. 2004 Alfa Romeo 156
To start off, 2004 Alfa Romeo 156 is newer by 51 year(s). Which means there will be less support and parts availability for 1953 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1953 Alfa Romeo AR 51 would be higher. At 1,910 cc (4 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (138 HP @ 4000 RPM) has 75 more horse power than 1953 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 1953 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 180 kg more than 1953 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1953 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 1953 Alfa Romeo AR 51 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1953 Alfa Romeo AR 51 | 2004 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | AR 51 | 156 |
| Year Released | 1953 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 138 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 82.6 mm | 82.1 mm |
| Engine Stroke Size | 88 mm | 90.4 mm |
| Engine Compression Ratio | 7.0:1 | 18.4:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1430 kg |
| Vehicle Length | 3530 mm | 4450 mm |
| Vehicle Width | 1580 mm | 1750 mm |
| Vehicle Height | 1830 mm | 1400 mm |
| Wheelbase Size | 2210 mm | 2710 mm |
